| 摘要 |
PROBLEM TO BE SOLVED: To perform display control easily and accurately from a remote place by selecting and displaying image data according to a received push-button signal. SOLUTION: This device is equipped with a console panel 1 for displaying arbitrary image data among various pieces of image data which are stored in advance on a display plate 2 through specific operation according to the push-button signal sent from an opposite telephone set 4 through a portable telephone set 3. When a communication control mode is decided through the operation deciding process of a control part 11 in response to a notice of the incoming from the portable telephone set 3, authentication is performed with a password received from an information communication terminal 6 and an indication command is expected; when a display switching request command is received, a display switching process is started. Display switching data are received through a communication I/F part 14 and stored as display screen information, and image data specified with its data is read out of a memory 16 to generate display data; and a driving part 15 performs display control over the display plate 2.
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